Not exact matches
As the exoplanet passes in
front of its
host star, as seen
from Earth, some
of this starlight travels through the planet's outer atmosphere.
Most were detected by the wobbles they induce in their
host stars or by the starlight they block as they pass in
front of their
stars as seen
from Earth.
The few known super-Earths whose orbits are fortuitously aligned so that they transit — pass in
front of their
host star —
from Earth's vantage point provide a unique laboratory for planetary investigations.
«When a planet transits, or passes in orbit, in
front of its
host star, we can use information
from this event to detect water vapor and other atmospheric compounds.